{
int i;
+ /*
+ * When USB4 port is online sideband communications are
+ * already up.
+ */
+ if (!usb4_port_device_is_offline(port->usb4))
+ return;
+
+ tb_port_dbg(port, "enabling sideband transactions\n");
+
for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++)
usb4_port_retimer_set_inbound_sbtx(port, i);
}
{
int i;
+ /*
+ * When USB4 port is offline we need to keep the sideband
+ * communications up to make it possible to communicate with
+ * the connected retimers.
+ */
+ if (usb4_port_device_is_offline(port->usb4))
+ return;
+
+ tb_port_dbg(port, "disabling sideband transactions\n");
+
for (i = TB_MAX_RETIMER_INDEX; i >= 1; i--)
usb4_port_retimer_unset_inbound_sbtx(port, i);
}
void usb4_port_device_remove(struct usb4_port *usb4);
int usb4_port_device_resume(struct usb4_port *usb4);
+static inline bool usb4_port_device_is_offline(const struct usb4_port *usb4)
+{
+ return usb4->offline;
+}
+
void tb_check_quirks(struct tb_switch *sw);
#ifdef CONFIG_ACPI